Frys offers Sony SAL100M28 100mm f/2.8 Macro Lens at $798.00, the lowest price out of 3 sellers. Sony increased price by $50 from previous $749.99 after the President day sale in 2015. On 2014-06-11, Frys made the biggest price drop by $50, offered at $748, made it the best offer since 2015-01-27. Click here for price change detail.